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Telerik UI for ASP.NET AJAX ↗

Progress · Actively exploited
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Monitors Telerik UI for ASP.NET AJAX and tailors your dashboard to that exact version.
all versions20/100 Critical · exploited
⚡ Newly tracked. IsItPatched added Telerik UI for ASP.NET AJAX automatically when CISA flagged it as actively exploited — its data is fresh and being verified.

Auto-added after CISA flagged Telerik UI for ASP.NET AJAX as actively exploited (KEV catalog). Version and lifecycle mapping is pending review, so this is assessed at the product level and is never reported as a confident "healthy".

Summary iPlain-English security verdict for Telerik UI for ASP.NET AJAX, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.

Telerik UI for ASP.NET AJAX currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2017-11357. Upgrade immediately and review your exposure to the actively-exploited CVEs below.

Disclosure trend iNew CVEs published for Telerik UI for ASP.NET AJAX each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.

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1 of its known vulnerability is linked to ransomware campaigns (CISA KEV).

Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.

Most urgent first — actively exploited, then likeliest to be exploited.

CVE-2017-11357 CRITICAL exploited ransomware Unrestricted file upload EPSS 76% → fixed in 2020.1.114

See all 16 known Telerik UI for ASP.NET AJAX CVEs & security history →

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Frequently asked

Is Telerik UI for ASP.NET AJAX safe and patched?

Telerik UI for ASP.NET AJAX currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2017-11357. Upgrade immediately and review your exposure to the actively-exploited CVEs below.

What should I do about Telerik UI for ASP.NET AJAX now?

Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against Progress's official advisory. Some issues are under active exploitation, so treat this as urgent.

Why is Telerik UI for ASP.NET AJAX listed on IsItPatched?

Telerik UI for ASP.NET AJAX was added automatically because CISA's Known Exploited Vulnerabilities (KEV) catalog flagged it as actively exploited in the wild. IsItPatched tracks its known CVEs, severity (CVSS), exploitation probability (EPSS) and KEV status from public data; its version and lifecycle mapping is verified over time.

Has Telerik UI for ASP.NET AJAX been actively exploited?

Yes. CISA added Telerik UI for ASP.NET AJAX to its Known Exploited Vulnerabilities (KEV) catalog after confirming exploitation in the wild — the triggering vulnerability is CVE-2019-18935. Make sure you are running a patched, supported version of Telerik UI for ASP.NET AJAX and confirm it against Progress's security advisory.

Similar software we track

More from Progress tracked on IsItPatched.

lifecycle unknown — needs latest supported version

Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Progress's official advisory before you patch or upgrade — Telerik UI for ASP.NET AJAX official site ↗